EASY
Earn 100
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.
Important Questions on Chemical Bonding and Molecular Structure
EASY
Which one of the following molecules is expected to exhibit paramagnetic behaviour?
EASY
After understanding the assertion and reason, choose the correct option.
Assertion: In the bonding molecular orbital (MO) of electron density is increased between the nuclei.
Reason: The bonding MO is , which shows destructive interference of the combining electron waves.
MEDIUM
In which of the following pairs of molecules/ions, both the species are not likely to exist?
EASY
Which of the following species is not paramagnetic?
HARD
According to Molecular Orbital Theory,
HARD
Which of the following options represents the correct bond order?
EASY
Stability of the species increases in the order of
MEDIUM
Which one of the following molecules is paramagnetic?
MEDIUM
Two pi and half sigma bonds are present in:
HARD
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
EASY
Which of the following is paramagnetic?
MEDIUM
Match List-I with List-II
| List-I | List-II | ||
| A | I | Dipole moment | |
| B | II | Bonding molecular orbital | |
| C | III | Anti-bonding molecualr orbital | |
| D | IV | Bond order |
EASY
Which one of the following pairs of species has the same bond order?
MEDIUM
The correct bond order in the following species is:
MEDIUM
Which one of the following properties is not shown by NO ?
HARD
Assuming mixing is NOT operative, the paramagnetic species among the following is
MEDIUM
According to molecular orbital theory, which of the following molecule will not be available?
HARD
Decreasing order of stability of and is:
HARD
For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two orbitals is(are)
MEDIUM
How many nodes are there in the anti-bonding molecular orbital formed by two atomic orbitals?
